0 1 2 3 Thu 15 Mar 1956 Tue 20 Mar 1956 Sun 25 Mar 1956 Fri 30 Mar 1956 Wed 04 Apr 1956 Mon 09 Apr 1956 Sat 14 Apr 1956 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