Related by context. Frequent words. (Click for all words.) 57 insomnia 56 irritable bowel syndrome IBS 56 excessive daytime sleepiness 56 restless 55 Horizant 54 Restless Legs Syndrome 53 excessive sleepiness 53 Narcolepsy 52 restlessness 51 nocturia 51 disorder characterized 51 restless legs 50 RLS 50 cataplexy 49 Major Depressive Disorder 49 Parkinson disease PD 49 Irritable Bowel Syndrome 49 menstrual pain 49 irritable 49 sleep disturbances 49 akathisia 49 irritability 48 Indiplon 48 Requip 48 chronic insomnia 48 orthostatic hypotension 48 headache nausea 48 chronic constipation 48 frequent urination 48 chronic pain 47 Wet AMD 47 dyspepsia 47 hypoparathyroidism 47 decreased libido 47 gastroesophageal reflux disease 47 Rheumatoid arthritis 47 somnolence 47 Sufferers 47 repetitive behaviors 47 systemic lupus erythematosus SLE 47 obsessive compulsive disorder OCD 47 daytime sleepiness 47 Duloxetine 47 epilepsy 47 sleepiness 47 narcolepsy 46 Nausea 46 migraine sufferers 46 migraine 46 extreme tiredness 46 musculoskeletal pain 46 ankylosing spondylitis 46 sleeplessness 46 syncope 46 peptic ulcer 46 gastrointestinal disorder 46 Alzheimers disease 46 Tinnitus 46 urinary tract symptoms 46 infantile spasms 46 cervical dystonia 46 Migraines 46 attention-deficit/hyperactivity disorder 46 headache dizziness 46 sleep disordered breathing 46 premenstrual syndrome 46 nausea headache 46 degenerative disorder 45 irritable bowel 45 MDD 45 systemic lupus erythematosus 45 diabetic neuropathic pain 45 wakefulness 45 sufferers 45 muscle ache 45 post herpetic neuralgia 45 tardive dyskinesia 45 NUVIGIL 45 hypoactive sexual desire 45 urge incontinence 45 GERD 45 fecal incontinence 45 Chronic pain 45 rheumatic 45 obstructive sleep apnea OSA 45 pregabalin 45 insomniacs 45 insomniac 45 stimulant medications 45 parkinsonism 45 drowsiness 45 overactive bladder 45 bipolar depression 45 fatigue nausea 45 premature ejaculation 45 visual hallucinations 44 chronic migraines 44 baclofen 44 sleep disorders 44 chronic migraine 44 dyskinesia