Try not to freak out your biological clock

Waking and sleeping go at the same time every day makes your body to condition below that pace, meaning that you get tired and be able to sleep in a predictable time every night. Therefore it is not indicated sleep for longer periods during the day. A nap of 15 minutes or nap after lunch can work wonders on your productivity. If you can do whenever you feel like. But these will not break 15min during the day, that night and impairs sleep helps deepen sleep attacks continued.