1) Used when referring to a person unclothed and in bed.
1504 Thomas Slewethman lay sore seke in his naked bede, York. In later examples the term was used in depositions at the Quarter Sessions when women were on trial suspected of prostitution: 1697 did see William the souldier in naked bed with Mary Barton, Dewsbury
1701 went into the parlor and found Mary in bed and John Smith … in naked bedd with her, Keighley. In the Dewsbury case, witnesses testified to the Lewd and Carnall behaviour of Mary Barton, and the inn where she worked was described as a very Lewd Bawdie House.