I used to think pulling all-nighters was a badge of honor – until I discovered that just one night of poor sleep increas…

𝗦𝗵𝗮𝘄𝗻 𝗪𝗲𝗹𝗹𝘀 𝗠𝗣𝗛 𝗥𝗗 𝗖𝗜𝗦𝗦𝗡 𝗙𝗜𝗦𝗦𝗡 | I used to think pulling all-nighters was a badge of honor – until I discovered that just one night of poor sleep increases cortisol levels… | Instagram