0 1 2 3 Fri 25 Nov 1921 Wed 30 Nov 1921 Mon 05 Dec 1921 Sat 10 Dec 1921 Thu 15 Dec 1921 Tue 20 Dec 1921 Sun 25 Dec 1921 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