wellness
Screen Time and Sleep: What the Research Actually Shows
Evening device use disrupts sleep cycles for many Brisbane residents, according to fresh analysis of local patterns.
How we reported this
A University of Queensland review released this month found that adults who cut evening screen exposure below two hours fell asleep 45 minutes faster on average than those who did not.
The timing matters because Brisbane faces ongoing economic pressure after recession fears eased last week, leaving many residents glued to phones and tablets for work updates and news amid the dreary outlook described by economists.
People living near the Brisbane River parklands report swapping late-night scrolling for walks along the river path at South Bank, where the council runs free 6pm outdoor fitness sessions on Tuesdays and Thursdays. New Farm Park draws similar crowds for its year-round community yoga classes that start at 7pm and finish before full darkness sets in.
That same review tracked 1,200 Brisbane participants through 2025 and linked device use past 10pm to a 28 percent rise in reported sleep fragmentation, a figure that matches national data from the Sleep Health Foundation's 2024 survey of 8,400 adults.
Practical steps that fit local routines
Residents can set device curfews at 9pm and replace the habit with a 20-minute loop around New Farm Park's fig-tree circuit, an option already popular with shift workers from the nearby hospital precinct. The council's South Bank program charges nothing for the group classes and supplies mats for the first 50 arrivals each session.
Turning off notifications after dinner also helps, according to the same researchers, who noted that even one extra hour of blue-light exposure delayed melatonin onset by roughly 30 minutes in their sample. Brisbane adults who adopted the change for two weeks logged an average 12 percent improvement in next-day alertness scores on wearable trackers.
Anyone concerned about ongoing sleep trouble should speak with a GP at a local clinic rather than relying solely on self-experiments. The evidence points to small, consistent reductions in screen time as the clearest lever available right now.