The Sleep Hygiene Index was developed to assess the practice of sleep hygiene behaviors. The Sleep Hygiene Index was delivered to 632 subjects and a subset of the subjects participated in a readministration of the instrument. Test–retest reliability analyses suggested that sleep hygiene behaviors are relatively stable over time for a nonclinical population. Results confirmed that sleep hygiene is strongly related to sleep quality and modestly related to perceptions of daytime sleepiness. As predicted, support of the sleep hygiene construct was also provided by strong correlations with the associated features of a diagnosis of inadequate sleep hygiene. The Sleep Hygiene Index, a much shorter sleep hygiene instrument than previously published, demonstrated comparable psychometric properties with additional evidence of validity and a clear item selection rationale.
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APPENDIX
APPENDIX
Sleep Hygiene Index Items
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1.
I take daytime naps lasting two or more hours.
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2.
I go to bed at different times from day to day.
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3.
I get out of bed at different times from day to day.
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4.
I exercise to the point of sweating within 1 h of going to bed.
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5.
I stay in bed longer than I should two or three times a week.
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6.
I use alcohol, tobacco, or caffeine within 4 h of going to bed or after going to bed.
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7.
I do something that may wake me up before bedtime (for example: play video games, use the internet, or clean).
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8.
I go to bed feeling stressed, angry, upset, or nervous.
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9.
I use my bed for things other than sleeping or sex (for example: watch television, read, eat, or study).
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10.
I sleep on an uncomfortable bed (for example: poor mattress or pillow, too much or not enough blankets).
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11.
I sleep in an uncomfortable bedroom (for example: too bright, too stuffy, too hot, too cold, or too noisy).
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12.
I do important work before bedtime (for example: pay bills, schedule, or study).
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13.
I think, plan, or worry when I am in bed.
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Mastin, D.F., Bryson, J. & Corwyn, R. Assessment of Sleep Hygiene Using the Sleep Hygiene Index. J Behav Med 29, 223–227 (2006). https://doi.org/10.1007/s10865-006-9047-6
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DOI: https://doi.org/10.1007/s10865-006-9047-6