Men who sleep early may have healthier, fitter sperm

15 May, London

For men wanting to become a father, going to bed before midnight may be key to healthier and fitter sperm, a study has showed.

The study showed that those falling asleep between 8 and 10 p.m., had the best sperm motility, meaning the sperm are better swimmers and have a greater chance of fertilising an egg.

On the other hand, men who went to bed after midnight had lower sperm counts and their sperm died much sooner too.

Sleeping for six hours or less made this even worse, as did lying in bed for more than nine hours.

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