Ever wake up exhausted after a full 8 hours? The problem isn't how long you sleep — 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.
✅ What makes it different:
• Age-specific recommendations (teens, adults, seniors)
• Works both ways — calculate bedtime OR wake-up time
• Includes nap calculator, sleep debt tracker & sleep hygiene guides
100% free in browser
