You might think your self-image has nothing to do with how well you sleep, but your brain doesn’t see it that way. The relationship between how you perceive yourself and the quality of your rest ...

The hippocampus is located in the temporal lobe and carries out functions that help process and retain memories. Previous ...

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders ...

Learn how understanding your 90-minute sleep cycles & using a sleep calculator can help you wake up refreshed and ... including text, graphics, images, and other material contained on the ...

Stock image of a woman holding a calendar of her menstrual cycle. Sleep quality fluctuates significantly throughout the menstrual cycle. ViDi Studio/Getty ...

Our top pick, the Withings Sleep Tracking Mat, can provide detailed information about your sleep cycles, heart rate, snoring and more. The best non-wearable sleep trackers can provide helpful ...