A study by health technology company Royal Philips found that Singaporeans now get an average of 6.9 hours of sleep every night in 2020 – compared to 6.4 hours in 2019 (CNA, Mar. 13) – but beyond the descriptive information there is little explanation for the increase in the number of hours. In other words, among the 1,000 surveyed respondents*, why are they getting more sleep over the last year? As per the study findings, is it solely related to caffeine intake? More proper bedtime or wake-up schedules? Or the increase in the take-up of reading?