Because we're so connected to our phones and the people that we contact with them, it's a natural thing to spend some time on our mobiles before we go to bed. Unfortunately, it's something we really shouldn't be doing, Dr Dan Siegel, clinical professor of psychiatry at the UCLA School of Medicine, explains why in this video for Business Insider Science.
Spending time on your phone before bed can have harmful effects, such as greater difficulty in paying attention, impaired memory, greater difficulty in problem-solving, and a higher likelihood of gaining weight.
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