A 5-month-old needs 12 to 16 hours of total sleep per 24-hour period, including naps. That range, endorsed by the American Academy of Pediatrics, covers a wide spectrum because every baby is different. Most 5-month-olds split that time between a longer stretch at night and three to four daytime naps.
Total Sleep Breakdown: Night and Day
Of those 12 to 16 hours, the majority happens overnight. By 5 months, many babies can sleep 6 to 8 consecutive hours at night, though plenty still wake once or twice for a feeding. Night waking for feeds and comfort is normal throughout the entire first year, so a 5-month-old who still needs one or two overnight feeds is right on track.
Daytime sleep fills in the rest. Most 5-month-olds take three to four naps that add up to roughly 3 to 4 hours total. Nap length varies wildly at this age. Some babies nap for 30 minutes and wake refreshed; others sleep for an hour and a half. Short naps are frustrating but developmentally normal. Longer, more predictable naps tend to consolidate closer to 6 months, when sleep cycles start to regulate.
Wake Windows Between Naps
Wake windows are the stretches of time your baby stays awake between sleep periods. At 5 months, that window is typically 1.5 to 2.5 hours. Some babies can only handle about 1.5 hours of wakefulness in the morning but stretch closer to 2.5 or even 3 hours by late afternoon. The last wake window of the day, between the final nap and bedtime, usually falls around 2 to 2.5 hours.
If your baby comfortably stays awake for 2 to 3 hours between naps, they’ll likely settle into a 3-nap schedule. Babies who tire out after 1.5 to 2 hours often still need 4 naps. Both patterns are normal at this age, and many babies are actively transitioning between the two.
How to Spot Sleepy Cues
Catching your baby’s tired signals before they tip into overtiredness makes a real difference in how easily they fall asleep. Early signs include yawning, droopy eyelids, staring into the distance, rubbing their eyes, and pulling on their ears. You might also notice your baby turning away from toys, the bottle, or your face. That disinterest is one of the clearest signals that sleep is close.
Other subtle cues: furrowed brows, clenching fists, arching their back, sucking their fingers, or a low-level whine that never quite escalates to full crying (sometimes called “grizzling”). If you miss these signs and push past the wake window, overtiredness kicks in. The body releases stress hormones like cortisol and adrenaline, which actually rev the baby up instead of calming them down. An overtired baby often cries louder and more frantically than usual and may even start sweating from the cortisol spike. At that point, getting them to sleep becomes significantly harder.
Night Feedings at 5 Months
Many parents wonder whether their 5-month-old still “needs” to eat overnight. The short answer: probably yes, at least once. Night feeds remain common and expected during the first year. For breastfed babies especially, nighttime calories can make up a meaningful portion of their daily intake. Formula-fed babies can generally begin phasing out night feeds around 6 months, but at 5 months most still benefit from at least one.
If your baby wakes multiple times but doesn’t seem hungry, they may be waking out of habit or because a new skill is disrupting their sleep (more on that below). But if they eat eagerly when offered, the feed is still serving a purpose.
Sleep Regressions and New Skills
Five months sits right in the window where many babies experience a noticeable disruption in sleep. This often follows the well-known 4-month sleep regression, which happens when a baby’s sleep cycles permanently shift to a more adult-like pattern. Some babies don’t fully settle after that shift until closer to 6 months.
Physical milestones add to the disruption. Rolling over is the big one at this age, and babies who are practicing this skill during the day often practice it in their sleep too. A baby who rolls onto their stomach and then can’t roll back may wake up upset. Increased babbling, reaching for objects, and growing awareness of the world can also make it harder for a 5-month-old to “turn off” and fall asleep.
These regressions are temporary. They typically last one to three weeks. Staying consistent with your sleep routines during this stretch helps the most.
Safe Sleep at 5 Months
Always place your baby on their back to fall asleep. Once a baby can roll both ways on their own, you don’t need to flip them back if they roll during the night. Let them choose their own position at that point.
The sleep surface should be a firm mattress with a fitted sheet and nothing else in the crib: no pillows, stuffed animals, crib bumpers, or loose blankets. A baby who gets tangled in loose bedding faces a suffocation risk. Instead of blankets, use a sleep sack or wearable blanket for warmth.
Overheating may play a role in sudden infant death syndrome. Keep the room at a comfortable temperature and dress your baby in one layer more than you’d wear. If your baby’s chest feels hot or they’re sweating, they’re likely overdressed. Room-sharing (baby in your room, in their own crib) is recommended, but bed-sharing is not.
What a Typical Day Looks Like
There’s no single “right” schedule, but a common pattern for a 5-month-old on 3 naps might look something like this:
- Morning wake: 6:30 to 7:00 AM
- First nap: about 1.5 to 2 hours after waking
- Second nap: about 2 hours after the first nap ends
- Third nap: about 2 to 2.5 hours after the second nap ends (often a shorter “catnap”)
- Bedtime: 2 to 2.5 hours after the last nap ends, usually between 7:00 and 8:00 PM
Babies still taking 4 naps will have shorter wake windows and may have a slightly later bedtime, since that fourth nap pushes the schedule forward. As your baby’s stamina increases over the coming weeks, they’ll naturally drop to 3 naps by handling longer awake periods.
If your baby consistently falls outside the 12-to-16-hour range, seems excessively sleepy during wake windows, or is extremely difficult to settle despite consistent routines, it’s worth bringing up with your pediatrician. But within that range, there’s a lot of room for normal variation. A baby who sleeps 13 hours total is just as healthy as one who sleeps 15.