Lack of sleep can affect your brain, heart, immunity, and overall health. On World Sleep Day 2026, know what really happens ...

From hormonal imbalance to gut health disruption, read about these 7 unexpected ways lack of sleep can affect your body.

Sleep allows the body to replenish its immune cells, which are responsible for fighting off germs and other things that can ...

How Are Sleep and Weight Loss Connected? This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. If you’re crashing at the end of a long day or staying in your comfortable bed long after ...

You may have heard the story of Randy Gardner, the boy who once stayed awake for 11 days and 24 minutes, or more than 264 hours. Although Gardner exhibited physical, mental and emotional degeneration ...

In today's fast-paced lifestyle, burnout and sleep deprivation are increasingly affecting mental wellness. Neurologist Dr ...

This reduced connectivity may increase the risk of behavioral problems and mental illnesses like depression and ADHD. Boys and minority children are particularly vulnerable to sleep deficits and ...

Lack of sleep harms almost every system in the body: From concentration and memory to hunger hormones, metabolism and the ability to cope with stress.

In today's fast-paced lifestyle, sleep is often the first thing we compromise on. Working late into the night, maintaining an ...

A chronic lack of sleep not only impairs cognitive abilities but also increases the risk of heart disease and diabetes. Current research discussed at the Congress of the European Academy of Neurology ...

NOTE: Since I wrote this blog entry initially, a new analysis of this data set by Holger Spamann has become available. This analysis indicates that the effects reported in the original paper by Cho et ...