Sleeping only 4 hours regularly is very unhealthy because it harms memory, focus, mood, immunity, and overall energy.

Albert Einstein slept, around 10 hours because the Albert Einstein brain needed rest after doing a lot of deep thinking and solving big problems. The amount of sleep that Albert Einstein needed does not mean… 

A seventeen year old needs to get eight to ten hours of sleep every night. The Centers for Disease Control and Prevention and American Academy of Sleep Medicine say so. These sleep experts think that… 

For students, getting 5 hours of sleep is a bit better than just 4 hours. However, neither amount is sufficient for their health or overall performance. It’s clear that more sleep is essential for doing…