There are multiple definitions:

1. total sleep time(English)

   • the actual amount of time (minutes/hours) spent sleeping during a sleep study or overnight period, excluding time spent awake after initially falling asleep
   • BMI, KSS, MSLT, OSAS, PSG, RDI, REM, SWS, WASO
   • Sleep medicine, Depression, Anxiety/fear
   • https://doi.org…dvances/zpac028

2. tuberculin skin test(English)

   • standard method of establishing the presence of latent TB infection. In HIV-infected patients this test is more likely to be negative as the CD4+ lymphocyte count declines
   • TB, MTB, HIV
   • Infection, Diagnostics, AIDS
   • https://doi.org…-3988-4.00051-2

3. tail-suspension test(English)

   • DRN, FST
   • Stress (test), Experimental animal, Depression, Behavior(al science)
   • https://doi.org/10.3791/3769

4. time to successful titration(English)

   • NRS, PCA
   • Pain
   • https://doi.org…jnccn.2020.7699

5. time-steam saturation-temperature(English)

   • indicator that has enabled staff to demonstrate that a sterilizing cycle has been successfully completed
   • CS, PIP, SS, WHO
   • Vaccination, Safety and health
   • http://pubmed.n…h.gov/10593029/
   • http://pubmed.n…ih.gov/7704926/

6. traditional systemic treatment(English)

   • may refer to psoriasis
   • HZ, PHN
   • Dermatology, Neuropathy, Pain, Risk factor, Therapeutic approaches
   • https://doi.org…093/bjd/ljaf101