Later school start times ‘make sense’ for adolescents, who have natural tendency to fall asleep later: Experts

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SINGAPORE: Later school start times for adolescents could result in more sleep time and in turn better school performance, said experts. At the onset of puberty, adolescents may develop a two-hour phase delay in their circadian rhythm, or their \u0022body clock\u0022, and that leads to a natura

SINGAPORE: Later school start times for adolescents could result in more sleep time and in turn better school performance, said experts.

This comes as the issue of later school start times was discussed in Parliament on Tuesday . The Ministry of Education announced that it has commissioned two research studies on the impact of factors affecting sleep duration and sleep quality of students in Singapore.

Citing a study conducted during the “circuit breaker” period last year, Dr Lim said that with children waking up 55 minutes later on average due to enforced home-based learning, those in primary school gained an extra 30 minutes of sleep, while students in secondary school level slept 56 minutes longer compared to pre-pandemic times.

“This is not surprising when one appreciates the function of the brain as a memory aid. It is important to get enough sleep the night before and the night after learning. Sleep restores the brain’s capacity for learning and makes rooms for new memories,” he added. “Will the Government also consider that with the trend towards working from home, flexible work and so on, which may persist beyond the COVID pandemic, that is an issue that actually may be much less of a concern,” he added.

If bedtime is moved later because of the later start time, this will reduce the impact of the change, said Assoc Prof Teoh. “Hence, it would be intuitive to start school at 8am, so that the kids may wake up slightly later too, this would mean more sleep for them.”

 

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