Dr Mrinal Sircar, Director, Respiratory & Sleep Medicine, Medanta Noida, explains the importance of knowing how to distinguish a healthy nap from excessive daytime sleepiness. Dr Sircar notes that naps lasting 10 to 30 minutes can help improve concentration, productivity and alertness without disrupting your sleep at night. When should frequent naps raise concern? Poor-quality sleep at night can increase the need for daytime naps. Is there a risk of harm from frequent naps in older adults?