Re­duc­ing the night-time blues

New Zealand Listener - - BLUE LIGHT -

1 Be ex­posed to day­light in the morn­ing and dark­ness at night for bet­ter cir­ca­dian health and well-be­ing.

2 Limit blue-light ex­po­sure from dig­i­tal screens in­clud­ing smart­phones, tele­vi­sions and com­put­ers at night by re­duc­ing screen bright­ness, us­ing night-time apps that lower blue-light out­put or turn­ing de­vices off.

3 Re­place cooler/ brighter blueish-white light bulbs with warmer-coloured yel­low­ish-white light bulbs.

Lora Wu

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