Ever wake up exhausted after a full 8 hours? The problem isn't how long you sleep â it's when you wake up.
Best Time For Bed is a free sleep cycle calculator that figures out the exact times you should go to sleep or wake up, based on natural 90-minute sleep cycles.
â What makes it different:
⢠Age-specific recommendations (teens, adults, seniors)
⢠Works both ways â calculate bedtime OR wake-up time
⢠Includes nap calculator, sleep debt tracker & sleep hygiene guides
100% free in browser
