0 1 2 3 Thu 15 Nov 1928 Sat 01 Dec 1928 Tue 01 Jan 1929 Fri 01 Feb 1929 Wed 13 Feb 1929 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