0 1 2 3 Fri 26 Nov 1948 Wed 01 Dec 1948 Sat 01 Jan 1949 Tue 01 Feb 1949 Sat 19 Feb 1949 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