Yes, you can absolutely take a shower at 9 PM. The time of day has no bearing on the safety of showering. While some people find that showering at night helps them relax and improves sleep quality due to a slight increase in core body temperature [Reference 1], it's perfectly safe to shower at any time that suits your schedule. Many people incorporate showering into their evening routine to unwind before bed [Reference 8], and there's no evidence suggesting that showering at 9 PM is harmful [Reference 2]. Concerns about noise from showering late at night are a matter of consideration for others around you and may depend on your living situation and local norms, rather than a safety or health issue [Reference 3, Reference 4, Reference 5]. In fact, some find showering to be a relaxing activity as part of their pre-sleep routine [Reference 8].
Some cultural beliefs or superstitions might suggest otherwise [Reference 6], but these are not supported by scientific evidence. Ultimately, the best time to shower is whenever it's convenient and works best for you.
Key Considerations:
- Personal Preference: Your comfort and routine are paramount.
- Sleep: A warm shower might improve sleep for some but isn't guaranteed.
- Noise Considerations: Be mindful of neighbors or housemates, especially in shared living spaces. This isn't a safety issue, but a matter of courtesy.
