It is said that the average person needs between six and a half and nine hours of sleep per night. When deprived, people develop a “sleep debt. ”
विशेषज्ञों का कहना है कि जब वे नींद पूरी नहीं कर पाते तो उन पर “नींद का कर्ज़ ” चढ़ जाता है ।