Why can't teenagers sleep early? Can parents and schools do more to combat its ill effects? - TODAY

SINGAPORE — There is a reason why sleep deprivation has been used as a form of psychological torture in the history of humankind, such as in certain military regimes and interrogation tactics.

Some parents said that the digital age has blurred the boundaries between school work and downtime, resulting in students here being too wired up to go to bed early. Mrs R Lim, 46, a homemaker, sai… [+3698 chars]

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