#sleep

ImapGoose: detecting wake-up from sleep

After the system goes into sleep and wakes up again, ImapGoose would just hang for like 15–20 minutes before finally detecting the disconnection and reconnect. This was super annoying, and understanding the root cause was not trivial at all. ImapGoose sends a NOOP to the server every three minutes. This NOOP is basically like a ping to which the server must reply. The timeout it set to thirty seconds, so why did it take around 20 minutes to detect the disconnection? Part 1 [ permalink ] While the system is asleep, the server sends a RST indicating that the connection is terminated. This messag

Hugo's weblog on WhyNotHugo (雨果) · EN

Show HN: Nive – a customizable sleep sound mixer for Android and iOS

Mix rain, forest, ocean and soft noise. Fade to silence as you fall asleep.

Show HN · EN

Why Did Snakes Lose Their Legs? And 9 More Animal Mysteries

There are more than 1.5 million known zoological species on Earth, with at least as many enigmas. Here are our top 10.

NYT Science · EN