Sleep deprivation increases risk of heart attacks.

She had a headache from lack of sleep.

He tried to make up for his lack of sleep by taking a nap.

What with overwork and what with little sleep at night, he fell ill.

I haven't had enough sleep because I sat up all night.

Your lack of sleep will catch up with you someday.

Lack of sleep was undermining her health.

Lack of sleep began to tell on me.

My body cried for sleep.

Expensive meals can't compensate for lack of sleep.

What with overwork and lack of sleep, she has lost her health.

In most cases, car accidents result from lack of sleep.

If you have a cold, lack of sleep is very bad for you.

I haven't slept well recently, so my skin is falling apart.

If you have a cold, lack of sleep is very bad for you.