8 Habits That Ruin Your Sleep

Throughout the day, your internal clock rotates between sleep and wakefulness. This 24-hour sleep-wake cycle is known as our circadian rhythm.

Your internal clock is located in a part of the brain called the hypothalamus. It responds to external cues that tell your body it’s time to go to bed.

Sometimes, your circadian rhythm can get thrown off due to:

• shift work
• all-nighters
• jet lag
• traveling across time zones

Luckily, there are things you can do to improve sleep hygiene and reset your internal clock.