Your body needs sleep, just as it needs air and food to function at its best. During sleep, your body heals itself and restores its chemical balance. Your brain forges new thought connections and helps memory retention. Without enough sleep, your brain and body systems won't function normally.

What can sleepless cause?

People with insomnia can't fall asleep, stay asleep or get enough restful slumber. Insomnia is a common sleep disorder. Over time, lack of sleep can lead to health problems like diabetes, hypertension and weight gain.

What can sleepless nights do?

Effects of Insomnia

"The long-term effects can actually be pretty serious and can include obesity, depression, loss of memory, and serious accidents.” Sleep deprivation can cause these additional negative consequences: Mood changes from sleep deprivation include irritability, lack of motivation, and anxiety.