0 1 2 3 Fri 09 Mar 1973 Mon 12 Mar 1973 Thu 15 Mar 1973 Sun 18 Mar 1973 Wed 21 Mar 1973 Sat 24 Mar 1973 Tue 27 Mar 1973 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