0 1 2 3 Fri 09 Dec 1949 Sun 18 Dec 1949 Tue 27 Dec 1949 Thu 05 Jan 1950 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