01 COLD OPEN
A rise in body temperature is one of the things that wakes us up in the morning, whereas a low temperature is linked to sleep. Counterintuitively, an ice bath fires you up, while a warm one makes you drowsy. “After cold exposure, your body heats up,” explains Calum Sharma, head of exercise science at The Body Lab in London. With regular exposure to the cold, your body starts to adapt and gets better at temperature regulation.
02 SORE POINTS
“A cold dip causes blood vessels to constrict,” says Sharma. This reduces blood flow to the extremities and shunts it into deeper tissues and internal organs, minimising heat loss. In the process, blood becomes more oxygenated and nutrientdense. Step out, and blood vessels dilate. “This oxygenated, nutrientdense blood now flows…
