RT Journal Article SR Electronic T1 The science of sleep JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 97 OP 100 DO 10.7861/clinmedicine.5-2-97 VO 5 IS 2 A2 Adam Zeman A1 Adam Zeman A1 Paul Reading YR 2005 UL http://www.rcpjournals.org/content/5/2/97.abstract AB