Are you taking too much time to fall asleep? Health experts believe that lackof sleep cancause health problems like fatigue, hypertension, depression, difficulty concentrating etc. On average, a healthy person takes about 10-20 minutes to fall asleep and this duration is called sleep latency. Longer sleep latency can cause insomnia and which is why getting optimal sleep is a top priority. Don't panic, It's very common. Also sleep latency is reversible. Few changes in your daily routine can reduce sleep latency.