Your sleep needs vary during your lifetime and by how many sleep cycles you need to feel rested.
Keeping track of your sleep schedule might not always be your top priority, but getting enough sleep is critical to your health.
The amount of sleep you get can affect everything from weight and metabolism to brain function and mood.
For many people, wake-up time remains fairly constant from day to day. The time you go to sleep, however, may vary. Knowing the specific amount of sleep you need to function at your best can help you determine what time to go to bed.
Below, you’ll learn how to calculate the best time to go to bed based on your wake time and natural sleep cycles. We’ll also offer more insight into how sleep cycles work and why sleep, or lack thereof, can affect your health.