While cramps can occur during exercise, around 25 per cent of the population experiences night cramps. There is evidence to suggest that those who sweat more experience more cramps.’ This might explain why cramps increase in summer. Why this should happen more in summer isn’t known, though Dr Garrison thinks it may be due to increased levels of vitamin D in the body in summer. While cramps can occur during exercise, around 25 per cent of the population experiences night cramps. These are triggered by small movements during sleep‘Although cramps during movement can be experienced at night, experiencing cramps at rest (i.e.

Source: The Nation July 19, 2021 22:52 UTC