A 19-month-old needs 11 to 14 hours of total sleep per day, including naps. That recommendation comes from guidelines endorsed by the American Academy of Pediatrics for all children ages 1 to 2. Most toddlers at this age split that time between roughly 10 to 12 hours of nighttime sleep and one daytime nap of about 2 hours.
What a Typical Day Looks Like
By 19 months, most toddlers have transitioned (or are transitioning) from two naps down to one. That single nap usually falls around midday and lasts about 2 hours. A common schedule places the nap between 12:30 and 2:30 p.m., with bedtime around 7:00 to 8:00 p.m. and a morning wake-up between 6:00 and 7:00 a.m.
The exact timing will vary based on your child’s natural rhythms, but the goal is a total of 11 to 14 hours across the full 24-hour period. A toddler consistently getting less than 11 hours is likely not getting enough, and one sleeping more than 14 hours regularly may be worth mentioning to your pediatrician.
The Two-to-One Nap Transition
If your 19-month-old is still taking two naps, that’s not necessarily a problem, but most kids this age are ready for just one. Signs your toddler is ready to drop to a single nap include:
- Consistently refusing the second nap, usually the afternoon one
- Taking much longer to fall asleep at nap time or bedtime
- Naps regularly shortening to less than 45 minutes
- Waking earlier than usual in the morning
- Comfortably staying awake for 4 to 5 hours or more without becoming overly fussy
The key word is “consistently.” A few days of nap refusal might just be a phase. If the pattern holds for one to two weeks and your child still seems well-rested and content on single-nap days, they’re likely ready. During the first week or two of this transition, try putting your toddler down about 30 minutes earlier than usual for the remaining nap. That small shift can help them get enough daytime rest while adjusting. Offering quiet time during the day, even when they aren’t sleeping, can also be restorative.
The 18-Month Sleep Regression
At 19 months, your toddler may be in the middle of (or just coming out of) what’s commonly called the 18-month sleep regression. This period is driven by a burst of development: toddlers are gaining mobility, becoming more communicative, and experiencing deeper emotional reactions, including separation anxiety. All of that brain growth can disrupt sleep patterns even for kids who were previously sleeping well.
Common signs include resisting bedtime (often tied to a new sense of independence), restlessness from expanded physical abilities, separation anxiety at lights-out, and discomfort from teething. Nightmares are possible but uncommon at this age. The good news is that these regressions rarely last more than a few weeks. Staying consistent with your usual routines is the most effective way through it.
Why Bedtime Routines Matter
A consistent bedtime routine is one of the most evidence-backed tools for improving toddler sleep. Research involving more than 10,000 children across 14 countries found that kids who followed a regular bedtime routine fell asleep faster, woke up less often during the night, slept longer overall, and had fewer caregiver-reported sleep problems. The benefits weren’t all-or-nothing, either. The more nights per week a child followed the same routine, the more their sleep improved, in a clear dose-dependent pattern.
The routine itself doesn’t need to be elaborate. A bath, a book, a song, and lights out is enough. What matters is predictability. In one study, caregivers who introduced a nightly bedtime routine saw significant improvements in how quickly their child fell asleep and how often they woke during the night within just three weeks. A control group with no routine saw no change at all.
Signs Your Toddler Isn’t Sleeping Enough
Toddlers who are short on sleep don’t always look tired in the way adults do. In fact, sleep-deprived young children often become more hyperactive and impulsive rather than sluggish. Other signs to watch for include poor mood regulation (frequent meltdowns and moodiness), trouble paying attention during play, low energy, falling asleep during short car rides, and difficulty falling or staying asleep at night. That last one can feel counterintuitive, but overtired toddlers often have a harder time settling down, creating a cycle that makes the sleep deficit worse.
If your 19-month-old is regularly falling below 11 hours of total sleep and showing several of these behaviors, adjusting bedtime earlier by 15 to 30 minutes or protecting that midday nap can make a noticeable difference within a few days.