Xining is only at 2200 meters elevation, so why is my data dropping so badly? I only slept five and a half hours last night, my head feels foggy, and I woke up several times in the middle of the night. I'm just not sleeping well at all.

This page may contain third-party content, which is provided for information purposes only (not representations/warranties) and should not be considered as an endorsement of its views by Gate, nor as financial or professional advice. See Disclaimer for details.