0 1 2 3 Sat 20 Mar 1948 Tue 23 Mar 1948 Fri 26 Mar 1948 Mon 29 Mar 1948 Thu 01 Apr 1948 Sun 04 Apr 1948 Wed 07 Apr 1948 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