See answers to some common questions about sleep.

• Can Lack of Sleep Stunt Your Growth?
• Does the Light From a Screen Make it Hard to Sleep?
• How Can I Deal With Nightmares?
• Is It Normal to Have an Erection When Waking Up?
• Is It OK to Wear a Bra While Sleeping?
• Is it OK to Sleep Less on Weekdays and More on Weekends?
• What Are Wet Dreams?
• What Should I Do If I Can't Sleep?
• Why Do I Feel Paralyzed Before I Fall Asleep?
• Why Does My Body Jerk Before I Fall Asleep?

Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

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