One should sleep with head to the east or north.

The bedroom should be absolutely clean, well ventilated and free from noise and disturbance.

The bed must be neat clean and free from bugs.

The bedroom should be draught free.

One should avoid sleep when the brain is excited e.g. after reading, thinking, drinking etc.

The mind must be as free from worldly affairs and worries as possible while going to bed. This may be achieved by praying to God at the time of going to bed.

Sleeping late at night leads to ill health.

Sleep during the day should be avoided as far as possible. However, if one keeps awake at night, he can take some sleep in the daytime. Day sleep is not contraindicated in summer but in winter the day sleep increases Kapha, thereby causing respiratory and digestive troubles.