0 1 2 3 Tue 31 Dec 1929 Wed 01 Jan 1930 Sat 01 Feb 1930 Sat 01 Mar 1930 Mon 31 Mar 1930 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