wellness
Screen Time Before Bed Disrupts Sleep, Perth Research Reveals
Recent findings detail how evening device exposure alters rest patterns for residents around St Georges Terrace.
How we reported this
Evening screen exposure delays melatonin onset by an average of 42 minutes among adults who use phones or tablets within one hour of bedtime, according to a 2025 analysis of 1,200 participants tracked via wearable sleep monitors.
The timing of this shift matters because Perth CBD workers face packed schedules that already compress sleep windows, with many logging off only after 10 pm meetings or late emails sent from apartments overlooking the Swan River.
Two local programs track these patterns directly. The Murray Street Wellness Collective on Murray Street Mall runs a six-week digital wind-down group that supplies blue-light filters and logs nightly device curfews for 40 participants each quarter. Nearby, the Forrest Place Health Initiative at the Perth Cultural Centre offers free monthly workshops on sleep hygiene that include take-home meters measuring bedroom light levels after 9 pm.
Local data lines up with broader evidence
City records show the average Perth CBD resident spends 3.4 hours on screens after 7 pm on weekdays, a figure drawn from a 2024 council survey of 850 households between William Street and Barrack Street. That duration matches the threshold where researchers recorded a 23 percent drop in deep-sleep minutes. One workshop at the Murray Street program reported participants gained 27 minutes of total sleep time after installing automatic screen dimming at 9:30 pm and switching to paper books instead.
Residents can test the same steps tonight by setting device night modes before 9 pm, placing chargers outside the bedroom, and noting sleep scores on any fitness tracker the following morning. Those who want guided support can book a spot at the next Forrest Place session through the centre’s website.