How To Improve Sleep Quality: If you get good sleep at night, the day passes peacefully. You wake up in the morning in a fresh mood and continue doing all your work throughout the day with full enthusiasm and energy. But, not being able to sleep at night and repeatedly tossing and turning in bed indicates some problem or the other. Experts often say that one should take at least 7 to 8 hours of sleep at night. If you do not get enough sleep, you feel irritable, irritated, lethargic and lazy. Many times one cannot sleep at night due to some physical problems. Sometimes mental problems like stress, depression also disturb sleep. In such a situation, it is important to know how many hours of sleep can be considered good sleep. Why is sleep important? What effect does taking less than 7 hours have on health? How can sleep quality be improved? Know the answers to all these questions from sleep specialist and neurologist Dr Manvir Bhatia in this video.