Jungkook has revealed that he doesn't typically wear pajamas to bed. Instead, he prefers comfortable clothing for a better night's sleep.
According to news18.com, Jungkook stated, "I don't really wear pajamas." He emphasized the importance of wearing comfy clothes to bed, explaining, "I sleep better in comfy clothes."
Therefore, while he doesn't specify the exact type of comfortable clothing he wears, it's safe to assume it's something loose and soft that allows him to relax and sleep soundly. He prioritizes comfort over traditional sleepwear.