0 1 2 3 Sat 11 Mar 1961 Tue 14 Mar 1961 Fri 17 Mar 1961 Mon 20 Mar 1961 Thu 23 Mar 1961 Sun 26 Mar 1961 Wed 29 Mar 1961 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