What’s the no-sleep challenge? How safe is it? – Firstpost
 "What’s the no-sleep challenge? How safe is it? – Firstpost")
Sleep deprivation can be acute or chronic. Acute deprivation can happen over a day or two. Many studies have shown too little sleep is associated with an increased risk of death read more Most of us will be all too familiar with that dopey, groggy feeling of being tired after a restless night. Some social … Read more
 "How long can you stand on one leg? It reveals how much you will live – Firstpost")
