Do not put extra blankets or clothes on. This may cause your fever to rise even higher. Dress in light, comfortable clothing.

Can lying in bed raise your temperature?

Mattress temperature regulation - some types of mattress can make body temperature control more difficult than others by trapping warm air between your body and the mattress itself. Memory foam in particular could cause you to experience high body temperature while sleeping.

Can a warm room raise your temperature?

Spending time outside in very hot weather can increase a person's body temperature, as can being in a hot indoor environment for extended periods. Wearing too many layers in either situation can also lead to an increase in body temperature.