Use our sleep calculators to optimize your sleep and wake times, ensuring you wake up refreshed and ready for the day.
Sleep is a recurring state in which the body and mind are at rest, reducing muscle activity and interaction with surroundings. Sleep involves alternating cycles of REM and non-REM sleep, with each cycle averaging 90 minutes. The right balance between these cycles is key to waking up refreshed.
Age Group | Recommended Hours |
---|---|
0-3 months | 14-17 hours |
4-12 months | 12-16 hours |
1-2 years | 11-14 hours |
3-5 years | 10-13 hours |
6-12 years | 9-12 hours |
13-18 years | 8-10 hours |
18-60 years | 7 or more hours |
61-64 years | 7-9 hours |
65 years and older | 7-8 hours |