0 1 2 3 Sun 30 Jan 1955 Tue 01 Feb 1955 Tue 01 Mar 1955 Fri 01 Apr 1955 Sat 30 Apr 1955 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