Nytol is a sleep aid medication that is clinically proven to help relieve temporary difficulties getting to sleep. It works quickly and helps ensure that your sleep is undisturbed. Nytol tablets contain the active ingredient Diphenhydramine Hydrochloride 50mg. They have been shown to help people fall asleep faster and can help obtain a longer and deeper sleep. Suitable for temporary sleep difficulties due to stress, jet lag, or personal problems. Nytol is intended for use by adults over 18 years old, for short-term use only.