Sleeping disorders Aurum codelist (as part of Clegg eFrailty Index codelists): 

Generated by GGL and reviewed by CWG
Used CPRD AURUM Medical Browser, Version March 2024


Notes on process: 
- started with Julian Matthewman Aurum "translation" of Clegg codelist
- merged in KM Breathlessness codelist from OpenSafely - https://www.opencodelists.org/codelist/opensafely/symptoms-breathlessness-new/5aee78ee/
- merged in HC Sleep Disorders Read codelist (merging on "term")  - https://doi.org/10.17037/DATA.00001421
- used terms in Clegg and HC codelis to search on "term" and identify additional codes 

Notes on inclusion/exclusion criteria: 
- included historic ("history of") codes as trying to capture frailty as a state rather than incidence of components
- excluded "family historycodes
- incldued codes indicating organic sleep disorders- as per Clegg et al. 