Many people swear that taking a cold shower when high helps to snap them back into reality and takes away the anxiety they may be experiencing. However, it’s important to note that there is actually no proof that this is the case. In fact, in most cases, taking a cold shower when high can be uncomfortable and actually worsen your high. For example, showering in a cold environment causes your heart to beat faster and may cause you to sweat more. This can lead to dizziness, nausea, and even fainting in extreme circumstances.
On the other hand, a cold shower can also be helpful for dealing with pain and other symptoms of a cannabis high. When the body’s thermoreceptors sense cold water, they send a message to the brain that stimulates the production of a hormone known as endorphins. These are the body’s natural feel-good chemicals and can help to alleviate feelings of pain, depression, stress, and anxiety.
Furthermore, the cold water causes blood vessels in the skin to constrict, which will help to reduce blood pressure and improve overall hydration. It can also help to lower cortisol levels, which is the stress hormone. Cortisol is thought to be responsible for the “fight-or-flight” response and can contribute to anxiety, headaches, and insomnia.
It is also recommended to take a cold shower before bedtime in order to promote deeper sleep and decrease the likelihood of nighttime arousals. This is due to the fact that the cold water can help to slow down the body’s core temperature and increase melatonin production, which is the sleep-inducing chemical.