A 5-month-old typically needs 12 to 16 hours of total sleep in a 24-hour period, split between nighttime sleep and several daytime naps. Where your baby falls in that range depends on their individual temperament, how long their naps run, and whether they’re going through a developmental shift. Here’s what to expect and how to support better sleep at this age.
Total Sleep in 24 Hours
The 12-to-16-hour range recommended by Stanford Medicine Children’s Health covers babies from 4 to 12 months old. Most 5-month-olds land somewhere in the middle, around 13 to 14 hours total. That breaks down roughly into 10 to 12 hours overnight (with wake-ups for feeding) and 2.5 to 3.5 hours of daytime napping.
If your baby is consistently sleeping less than 12 hours total or seems overtired and cranky during the day, their schedule may need adjusting. On the flip side, some babies genuinely need a bit less sleep than average and do just fine on the lower end.
What Naps Look Like at 5 Months
Most 5-month-olds take three to four naps a day. The total daytime sleep goal is 2.5 to 3.5 hours spread across those naps. Not all naps will be the same length, and that’s normal.
At this age, babies are starting to consolidate their daytime sleep, but the process is uneven. Short naps of 30 to 45 minutes are still common because many babies can’t yet link one sleep cycle to the next during the day. The good news: the first two naps of the day tend to start stretching to 1 to 1.5 hours around 5 months. A third or fourth nap later in the afternoon is often a shorter “catnap” that just bridges the gap to bedtime.
If your baby is taking especially long naps, capping each one at 1.5 to 2 hours helps protect nighttime sleep. Too much daytime sleep can push bedtime later or lead to more overnight wake-ups.
Wake Windows Between Naps
Wake windows, the stretches of time your baby is awake between sleep periods, run about 2 to 4 hours for babies aged 5 to 7 months, according to Cleveland Clinic. At 5 months, most babies do best closer to 2 to 2.5 hours of awake time, especially earlier in the day. The last wake window before bedtime can stretch a bit longer.
Watching your baby’s sleepy cues matters more than watching the clock. Yawning, rubbing eyes, staring off, and fussiness all signal that the wake window is closing. Pushing past those cues often backfires: an overtired baby has a harder time falling asleep and staying asleep.
Nighttime Sleep and Feeding
By 5 months, many babies can sleep in stretches of six to seven hours at a time overnight. That doesn’t necessarily mean they’ll sleep through the entire night without waking. One to two feedings overnight is still typical and appropriate at this age.
If your baby is waking to eat more than twice a night, the extra wake-ups may be driven by habit rather than hunger. By 4 months, most babies can go five or more hours between nighttime feedings. That said, breastfed babies sometimes continue needing an additional feeding compared to formula-fed babies because breast milk digests faster.
A full feeding before bed (rather than letting your baby doze off mid-feed) can help extend that first long stretch of sleep. Keeping nighttime feedings dim, quiet, and boring also reinforces the difference between day and night.
The 4-to-5 Month Sleep Disruption
If your baby was sleeping well and suddenly isn’t, you may be dealing with what’s commonly called a sleep regression. The signs are familiar: more night waking, fighting bedtime, refusing naps, or waking painfully early in the morning.
Despite how widely discussed the “4-month sleep regression” is, pediatric sleep researcher Dr. Craig Canapari notes there’s very little formal research on sleep regressions and no evidence of a universal shift in sleep at any single age. What is real: your baby’s sleep patterns are maturing, and the way they cycle between light and deep sleep is changing. That transition can be bumpy.
Rolling, increased awareness of surroundings, and early teething can also disrupt sleep around this age. The reassuring part is that these disruptions are usually brief, often less than a week. Staying consistent with your routines during this stretch helps your baby resettle into a pattern faster.
Sleep Training Readiness
Five months falls right in the window when many families start thinking about sleep training. The ideal time to encourage self-soothing is between four and six months, before separation anxiety typically develops. That said, most babies aren’t developmentally ready to sleep through the entire night without any feeding until closer to six months.
Sleep training doesn’t have to mean one specific method. The core goal at this age is giving your baby the chance to practice falling asleep on their own, even if just at bedtime initially. Putting your baby down drowsy but awake is a starting point that works across different approaches. If your baby can fall asleep without being rocked, fed, or held all the way to sleep, they’re more likely to resettle on their own when they wake between sleep cycles at night.
Setting Up a Safe Sleep Space
The CDC endorses the American Academy of Pediatrics’ 2022 safe sleep guidelines, which apply through the entire first year. Your baby should sleep on their back for every sleep, including naps. The sleep surface should be firm and flat (not inclined), like a safety-approved crib mattress with only a fitted sheet on it.
Keep the crib free of blankets, pillows, bumper pads, and stuffed animals. Room-sharing (keeping the crib in your room) is recommended until at least 6 months. Overheating is a risk factor too. If your baby is sweating or their chest feels hot to the touch, they’re overdressed. A sleep sack is a safe alternative to loose blankets for warmth. Offering a pacifier at nap time and bedtime is also associated with safer sleep.
A Sample Daily Rhythm
Every baby is different, but a rough framework for a 5-month-old’s day might look like this:
- Morning wake-up: 6:30 to 7:00 a.m.
- First nap: about 2 hours after waking, lasting 1 to 1.5 hours
- Second nap: about 2 to 2.5 hours after the first nap ends, lasting 1 to 1.5 hours
- Third nap: a shorter 30-to-45-minute catnap in the late afternoon
- Bedtime: 6:30 to 8:00 p.m., depending on when the last nap ended
Some days will have a fourth short nap if earlier naps ran short. The goal is to keep total daytime sleep in that 2.5-to-3.5-hour range and avoid stretching wake windows so long that your baby becomes overtired before bed. If bedtime is a battle, an earlier bedtime (even 15 to 30 minutes) often works better than a later one.