Baby Waking Every Hour at Night
Medically reviewed by Dr. Sarah Chen, MD, FAAP · Board-Certified Pediatrician
Content reviewed against published AAP, NIH, NIH guidelines
Last reviewed:
Sleep concerns affect nearly every family at some point. When it comes to baby waking every hour at night, here is what the guidelines recommend.
The short answer
Babies naturally wake between sleep cycles, which last about 45-60 minutes for infants. If your baby needs help (feeding, rocking, pacifier) to fall asleep initially, they will need that same help each time they surface between sleep cycles - which can mean waking every 45-90 minutes all night. This is the most common cause of frequent night waking. Other causes include sleep regressions, illness, teething, hunger, discomfort, or sleep environment issues. While exhausting, this pattern is solvable.
Key takeaways
- Babies naturally wake between sleep cycles, which last about 45-60 minutes for infants. If your baby needs help (feeding, rocking, pacifier) to fall asleep initially, they will need that same help each time they surface between sleep cycles - which can mean waking every 45-90 minutes all night. This is the most common cause of frequent night waking. Other causes include sleep regressions, illness, teething, hunger, discomfort, or sleep environment issues. While exhausting, this pattern is solvable.
- Usually normal when: Your newborn under 3 months wakes every 1-3 hours for feeds - this is biologically appropriate
- Call your doctor if: You are so sleep deprived that you are at risk of falling asleep with your baby in an unsafe location (couch, recliner)
- Varies by age — see the age-by-age breakdown below
“To reduce the risk of sleep-related infant deaths, the AAP recommends that infants sleep on their backs, on a firm, flat surface, without any soft bedding.”
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What Parents Should Know
According to AAP, NIH guidelines, babies naturally wake between sleep cycles, which last about 45-60 minutes for infants. If your baby needs help (feeding, rocking, pacifier) to fall asleep initially, they will need that same help each time they surface between sleep cycles - which can mean waking every 45-90 minutes all night. This is the most common cause of frequent night waking. Other causes include sleep regressions, illness, teething, hunger, discomfort, or sleep environment issues. While exhausting, this pattern is solvable. At 0-3 months, newborn sleep cycles are about 45-50 minutes, and newborns have not yet developed the ability to connect sleep cycles independently. Waking every 1-2 hours is biologically normal at this age. Newborns also need frequent night feeds for growth. Do not try to "fix" this - focus on safe sleep practices and survival strategies like taking turns with a partner, sleeping when baby sleeps, and accepting help. This phase is temporary. It is generally considered normal when your newborn under 3 months wakes every 1-3 hours for feeds - this is biologically appropriate. However, you should contact your pediatrician promptly if you are so sleep deprived that you are at risk of falling asleep with your baby in an unsafe location (couch, recliner).
Normal vs. Concerning
By Age
What to expect by age
0-3 months
Newborn sleep cycles are about 45-50 minutes, and newborns have not yet developed the ability to connect sleep cycles independently. Waking every 1-2 hours is biologically normal at this age. Newborns also need frequent night feeds for growth. Do not try to "fix" this - focus on safe sleep practices and survival strategies like taking turns with a partner, sleeping when baby sleeps, and accepting help. This phase is temporary.
3-6 months
By 3-4 months, many babies can sleep one longer stretch of 4-6 hours. If your baby is still waking every hour, the most likely cause is a strong sleep association - they fall asleep being nursed, rocked, or with a pacifier and need that same condition at each sleep cycle transition. The 4-month sleep regression also permanently changes sleep architecture, making cycle transitions more noticeable. This is the age when working on independent sleep skills can start making a difference.
6-12 months
Hourly waking at this age almost always involves sleep associations. Your baby's sleep cycles are still about 45-60 minutes, and they briefly wake between each one. If they can only fall asleep with help, they fully wake and cry at each transition. Teaching your baby to fall asleep independently at bedtime (through any method that works for your family) typically resolves frequent night waking within 3-7 nights because the skill transfers to all sleep cycle transitions.
12-24 months
If your toddler is still waking hourly, consider: Are they falling asleep independently at bedtime? Is the sleep environment consistent all night? Are they overtired (not enough daytime sleep) or undertired (too much daytime sleep)? Teething, illness, and developmental leaps can temporarily increase waking. If your toddler was sleeping well and suddenly regressed, look for a trigger. If they have never slept more than 1-2 hours at a stretch, sleep associations are almost certainly the cause.
What to Tell Your Pediatrician
- Describe when you first noticed baby waking every hour at night and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if your baby is over 6 months and waking every hour despite consistent efforts to improve sleep.
- Mention if sleep deprivation is affecting your mental health, ability to function, or safety.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
What Should You Do?
When to take action
- Your newborn under 3 months wakes every 1-3 hours for feeds - this is biologically appropriate
- Your baby wakes more frequently for 3-5 days during a growth spurt or illness and then returns to normal
- Your baby is going through a known sleep regression (4, 8, 12, 18 months) and waking has temporarily increased
- Your baby wakes briefly between sleep cycles but resettles within a few minutes without intervention
- Your baby is over 6 months and waking every hour despite consistent efforts to improve sleep
- Sleep deprivation is affecting your mental health, ability to function, or safety
- Your baby seems to be in pain or discomfort at each waking rather than just seeking comfort
- Your baby snores loudly, gasps, or pauses breathing during sleep
- You are so sleep deprived that you are at risk of falling asleep with your baby in an unsafe location (couch, recliner)
- Your baby has signs of a sleep-related breathing disorder - loud snoring, gasping, long pauses in breathing
- You are having thoughts of harming yourself or your baby due to exhaustion - call your doctor or 988 Suicide and Crisis Lifeline
What You Can Do at Home
- Keep track of when you notice baby waking every hour at night — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that your newborn under 3 months wakes every 1-3 hours for feeds - this is biologically appropriate — this is generally within the range of normal.
- At 0-3 months, focus on observation rather than intervention unless your pediatrician advises otherwise.
- Maintain a consistent bedtime routine. Keep the sleep environment cool, dark, and quiet.
- While monitoring at home, seek immediate care if you are so sleep deprived that you are at risk of falling asleep with your baby in an unsafe location (couch, recliner).
Related Conditions
Baby Cries Every Time You Put Them Down to Sleep
Many babies cry when placed in the crib because they have learned to associate falling asleep with being held, rocked, nursed, or bounced. This is called a sleep association, and while it is not harmful, it means your baby needs that same condition to fall back asleep each time they wake during the night. Gradually teaching your baby to fall asleep in their sleep space - at whatever pace works for your family - is the foundation of independent sleep. This does not mean you are doing anything wrong; you are meeting a developmental need while gently building a new skill.
When to Start Sleep Training - Methods and Safety
Sleep training refers to strategies that help babies learn to fall asleep independently. Most pediatric sleep experts and the AAP consider sleep training safe to begin around 4-6 months of age, when babies are developmentally capable of sleeping longer stretches and can self-soothe. Research consistently shows that sleep training methods - including "cry it out" approaches - do not cause long-term harm to babies' attachment, stress hormones, or emotional development. There are many methods ranging from gradual to direct, and the best approach is the one that works for your family.
12-Month Sleep Regression
The 12-month sleep regression is driven by major developmental changes - many babies are learning to walk, experiencing separation anxiety, and developing a stronger will. Your baby may start fighting bedtime, waking more at night, refusing naps, or waking earlier than usual. This regression typically lasts 2-6 weeks. The most common mistake is dropping to one nap too early - most 12-month-olds still need two naps. Maintain consistent routines and this phase will pass.
Related Resources
Milestone Checklists by Age
Track your baby's developmental milestones from birth to 5 years with age-specific checklists.
Baby Sleep Guide
Age-by-age sleep needs, schedules, and evidence-based sleep strategies.
Month-by-Month Development
Detailed monthly development guides from birth through 24 months.
When to Call the Doctor
General guide on when to call the pediatrician, visit urgent care, or go to the ER.
Frequently asked questions
Is baby waking every hour at night normal?
When should I call the doctor about baby waking every hour at night?
When is baby waking every hour at night normal?
What causes baby waking every hour at night?
What should I mention to my pediatrician about baby waking every hour at night?
Is baby waking every hour at night normal at 0-3 months?
Is baby waking every hour at night normal at 3-6 months?
Should I go to the ER for baby waking every hour at night?
Does baby waking every hour at night go away on its own?
References
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss Baby Waking Every Hour at Night.
Things to mention
- Describe when you first noticed baby waking every hour at night and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if your baby is over 6 months and waking every hour despite consistent efforts to improve sleep.
- Mention if sleep deprivation is affecting your mental health, ability to function, or safety.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- Your baby is over 6 months and waking every hour despite consistent efforts to improve sleep
- Sleep deprivation is affecting your mental health, ability to function, or safety
- Your baby seems to be in pain or discomfort at each waking rather than just seeking comfort
Urgent signs to report immediately
- You are so sleep deprived that you are at risk of falling asleep with your baby in an unsafe location (couch, recliner)
- Your baby has signs of a sleep-related breathing disorder - loud snoring, gasping, long pauses in breathing
- You are having thoughts of harming yourself or your baby due to exhaustion - call your doctor or 988 Suicide and Crisis Lifeline
My notes
From ismybabyalright.com — free, evidence-based baby health guides
All content follows our editorial policy and is reviewed against published clinical guidelines.
2,705 evidence-based guides6 authoritative medical sources5 medical advisory board members
Related Resources
Bottom line
Most cases of baby waking every hour at night are normal. Talk to your pediatrician if you are so sleep deprived that you are at risk of falling asleep with your baby in an unsafe location (couch, recliner).
Trust your instincts. If something feels wrong, reach out to your pediatrician. Worrying about your baby means you care — that is a good thing.
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Related Sleep Concerns
Baby Cries Every Time You Put Them Down to Sleep
Many babies cry when placed in the crib because they have learned to associate falling asleep with being held, rocked, nursed, or bounced. This is called a sleep association, and while it is not harmful, it means your baby needs that same condition to fall back asleep each time they wake during the night. Gradually teaching your baby to fall asleep in their sleep space - at whatever pace works for your family - is the foundation of independent sleep. This does not mean you are doing anything wrong; you are meeting a developmental need while gently building a new skill.
When to Start Sleep Training - Methods and Safety
Sleep training refers to strategies that help babies learn to fall asleep independently. Most pediatric sleep experts and the AAP consider sleep training safe to begin around 4-6 months of age, when babies are developmentally capable of sleeping longer stretches and can self-soothe. Research consistently shows that sleep training methods - including "cry it out" approaches - do not cause long-term harm to babies' attachment, stress hormones, or emotional development. There are many methods ranging from gradual to direct, and the best approach is the one that works for your family.
12-Month Sleep Regression
The 12-month sleep regression is driven by major developmental changes - many babies are learning to walk, experiencing separation anxiety, and developing a stronger will. Your baby may start fighting bedtime, waking more at night, refusing naps, or waking earlier than usual. This regression typically lasts 2-6 weeks. The most common mistake is dropping to one nap too early - most 12-month-olds still need two naps. Maintain consistent routines and this phase will pass.
How Long Should Baby Be Awake Between Naps?
The ideal awake time between naps (called a "wake window") increases as your baby grows. Newborns may only handle 45-90 minutes awake, while toddlers can manage 4-6 hours. Getting wake windows right is one of the most effective ways to improve nap quality, because both too-short and too-long wake times lead to poor sleep.
Is a Bath Before Bed Really Necessary?
A nightly bath is not medically necessary and some babies with sensitive skin do better with less frequent bathing. However, a warm bath can be a powerful sleep cue because the subsequent body temperature drop triggers melatonin production. If you include a bath, keep it calm and warm rather than stimulating.
How Long Should the Bedtime Routine Be?
An ideal bedtime routine for babies and toddlers is 20-30 minutes. Shorter routines may not give enough time to wind down, while routines longer than 45 minutes can become a stalling tactic. Consistency in the routine order matters more than exact length.