Not wearing underwear at night helps women who are more prone to dampness and infections. [iStockphoto]

"However, sleeping without panties increases comfort, relieves dampness. Wearing underwear causes dampness, which leads to discomfort and soothes acne or pimples that grow from your pubic hair. Heat and moisture also causes folliculitis and bumps," says Mukudi.

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He sleeping commando also prevents yeast infections as tight underwear can lead to vaginitis, which is quite troublesome.

"The infection causes itching as well as a white discharge like cottage cheese. It can also cause trichomoniasis, which causes similar symptoms but is characterised by a greenish yellow discharge," says Mukudi.

Kamlesh Sinha, a Gurgaon-based gynecologist told healthshots.com that "sometimes, not wearing underwear at night helps women who are more prone to dampness and infections.

"Plus, it might help to enhance her intimacy with her partner. One could also choose to wear cotton underwear that's breathable and absolutely comfortable. I would suggest allowing the vaginal area to breathe, if you are comfortable going underwear-free."