Electronic device use in bed was found to reduce sleep duration and sleep quality in adults. Older adults were less likely to use devices in bed after lights out, and had less duration of usage. Frequency of device use was associated with later sleep times, and duration of device use was associated with shorter sleep duration and decreased sleep quality. Sleep characteristics were significantly different in device users compared to non-device users ( p < 0.001). Forty-two percent of participants reported using electronic devices in bed after lights out, and 27% of adults who reported ‘always’ using electronic devices in bed were spending over an hour per night using them. Survey questions asked about participant demographic variables, their sleep/wake history, and their pre-sleep behaviours, which included electronic device usage. Using a cross-sectional design, telephone interviews were conducted with 1,225 participants (52% female). Specifically, this study aimed to (1) identify patterns of use of electronic devices in bed (2) examine the relationship between electronic device use in bed and sleep/wake behaviour and (3) examine the impact of demographic variables on electronic device use in bed. The purpose of this study was to explore the impact that portable electronic device use in bed after lights out has on sleep/wake behaviour within an adult population.
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