The woods are lovely, dark and deep, But I have promises to keep, And miles to go before I sleep And miles to go before I sleep… wrote the famous English poet Robert Frost in his poem Stopping by Woods on a Snowy Evening. As the poet reminds you about the promises you have to keep in life, it is also necessary that you get a sound sleep to keep those promises.

Sleep disorders are of different kinds and the reason behind each disorder varies. This may include difficulty falling or staying asleep, falling asleep at inappropriate times, excessive total sleep time or abnormal behaviors associated with sleep.