0 1 2 3 Tue 25 Feb 1964 Wed 11 Mar 1964 Thu 26 Mar 1964 Fri 10 Apr 1964 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