0 1 2 3 Fri 09 Dec 1921 Sat 10 Dec 1921 Sun 11 Dec 1921 Mon 12 Dec 1921 Tue 13 Dec 1921 Wed 14 Dec 1921 Thu 15 Dec 1921 Fri 16 Dec 1921 Sat 17 Dec 1921 Sun 18 Dec 1921 Mon 19 Dec 1921 Tue 20 Dec 1921 Wed 21 Dec 1921 Thu 22 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