Sound-protected bedrooms may help those who must sleep close to noise. Although excessively warm rooms disturb sleep, there is no evidence that an excessively cold room helps sleep. An occasional sleeping pill may be of some benefit, but chronic use of sleep medications is ineffective in most insomniacs. Caffeine in the evening disturbs sleep, even in those who feel it does not 9. People who are angry and frustrated because they cannot sleep should not try harder and harder to fall asleep but should turn on the light, get up, and perhaps read in another room.
Individuals can eventually return to bed and try to sleep again.
The chronic use of tobacco disturbs sleep. Reprinted by permission by P. Hauri, The Sleep Disorders , Second Edition, Kalamazoo, Michigan. The Upjohn Company, 1982.