A good night’s sleep entails a good pillow and a suitable mattress.
When you lie in bed, your hips should not sink into the mattress. Healthy individuals with body weight in the normal range would have a head-shoulders-hips weight ratio of 1:3:4. If your pelvis sticks into the mattress, it means the mattress is too soft and it would not allow you to toss and turn naturally.
If you sleep on a plate as hard as the floor with only a thin mattress pad, your pelvis would protrude, causing pain and making you unable to achieve sound sleep.
Some people regard water mattress as the best for ample support. To some extent, it is suitable for people who sleep in a static. In other words, it is not good for tossing or turning and is unsuitable for people who sleep lightly.
In terms of materials, synthetic rubber would be the worst material because of the high viscoelasticity. It is comfortable to sleep on it as the pressure would be evenly spread and dispersed.
This type of mattress would be fit for certain patients but not for most individuals as it is poor for turning.
As for clothing, some people would wear hoodies during winter. But sweaters and hoodies could easily cause discomfort.
If a blanket is too heavy, it would discourage tossing and turning. In terms of materials, lightweight choices such as duvets should be used instead.
As a rule of thumb, avoid mattresses that are too soft. An elastic bed usually lasts up to seven years before a new replacement is needed.
This article appeared in the Hong Kong Economic Journal on Aug. 2
Translation by John Chui with additional reporting
[Chinese version 中文版]
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