Two early signs of dehydration are thirst and dark-coloured urine. This is the body's way of trying to increase water intake and decrease water loss. Other symptoms may include: 1  dizziness or light-headedness. 2  headache. 3  tiredness. 4  dry mouth, lips and eyes. 5  passing small amounts of urine infrequently (less than three or four times a day).
Diurnality is a form of plant or animal behavior characterized by activity during the day, with a period of sleeping, or other inactivity, at night. The common adjective used for daytime activity is diurnal. The timing of activity by an animal depends on a variety of environmental factors such as the temperature, the ability to gather food by sight, the risk of predation, and the time of year.
Medical browser? â². 1  diuretics. 2  Diuril. 3  diurnal. 4  diurnal enuresis. 5  diurnal mood variation. 6  diurnal periodicity. 7  diurnal rhythm. 8  diurnal variation. 9  diuron. 10  div. in p. aeg. 11  div. in p. aeq. 12  div. in par. aeq. 13  divagation. 14  divalent. 15  divalproex. 16  divalproex sodium. 17  divarication. 18  dive bomber. 19  divergence. 20  divergence excess exotropia. 21  divergence insufficiency.