0 1 2 3 Sat 08 Mar 1975 Tue 11 Mar 1975 Fri 14 Mar 1975 Mon 17 Mar 1975 Thu 20 Mar 1975 Sun 23 Mar 1975 Wed 26 Mar 1975 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