# 你用不著剝奪整晚的睡眠。一個晚上稍微少睡一些,甚至只有一至二小時,就會立即讓一個人的心跳加速,維持好幾小時,並顯著增加血管的收縮壓。——《為什麼要睡覺?》
×
Sign in
Email
Password
Forgot password
or
By clicking below, you agree to our
terms of service
.
Sign in via Facebook
Sign in via Twitter
Sign in via GitHub
Sign in via Dropbox
Sign in with Wallet
Wallet (
)
Connect another wallet
New to HackMD?
Sign up