0 1 2 3 Fri 09 Dec 1921 Wed 14 Dec 1921 Mon 19 Dec 1921 Sat 24 Dec 1921 Thu 29 Dec 1921 Tue 03 Jan 1922 Sun 08 Jan 1922 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All