jetlag, tiredness, fatigue, hangovers, sleeplessness, homesickness, insomnia, colds, sleepiness, altitude sickness, motion sickness, stage fright, aches, seasickness, sore throat, wooziness, drowsiness, grogginess, sickness, layovers, cabin fever, stagefright, rustiness, sleep, narcolepsy, boredom, redeye flight, yips, nausea, bronchitis, shin splints, soreness, blahs, exhaustion, backache, lethargy, illness, exertions, migraines, nap, airsickness, viral infection, discomforts, hay fever, cramps, vertigo, headaches, tonsillitis, catnaps, indigestion, symptoms, fogginess, acclimatise, hayfever, disorientation, distractions, mononucleosis, tinnitus, lumbago, circadian rhythm, tiring, dizziness, cravings, sunburn, unrefreshed, jitteriness, drowse, sinusitis, tendonitis, carbo loading, rust, sniffles, achy, dehydration, stomachache, hyperacidity, tonsilitis, sleeping pill, zzz, glandular fever, clamminess, redeye, rehydrate, fluey, arachnophobia, acrophobia, caffeine, auditory hallucination, niggles, overtrained, oversleeping, hungover, melatonin, sweats, forgetfulness, tracheitis, laryngitis, grumpiness, psychosomatic, itchiness, muscle spasm, insomniacs

fatigue, tiredness, weariness