| http://www.w3.org/ns/prov#value | - Factors affecting one's ability to fall asleep at the start of the night are quite varied and may include one or more of the following: Excessive sleep during the daytime A poor sleep environment (i.e. the bedroom is too noisy, too bright or too warm) Learned poor sleep habits (i.e. watching TV to fall asleep) Excessive use of stimulants (both medications and common substances such as caffeine and
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