Physical
Melatonin.
Human get tired and sleepy as chemical potential energy in our body is transferred to other forms of energy(kinetic energy when moving).Hence, the chemical potential energy gets used up and you get tired and to restore this energy u will need food:).
No, being tired is caused from physical or mental work or you could be tired from working all day. You could have some emotional symptoms from being tired like for instance, you might feel grouchy, nervous, or sad etc.
Energy can be absorbed or released in a chemical or physical change, it is not destroyed or created. It simply assumes a different form. This is the law of conservation of energy. Accounting for all the energy present before and after a change is not a simple process. But scientists who have done such experimentation are confident that the total amount of energy remains the same.
Stamina.
The top five symptoms of depression are feeling overly tired, a change of appetite, feeling hopeless about your life or future, feeling physical aches or pains, and you may have suicidal thoughts.
IS about how people change because they wanna be like others or they are just tired of people critizing them and they are tired of being who they are so they change but they dont realized that they are killing themself.
Exhausted. Drained of ones physical or mental resources.
Feeling "tired" means experiencing fatigue or exhaustion, typically from physical or mental exertion. Feeling "lonesome" means being sad or feeling isolated due to a lack of companionship or connection with others.
Across the 12 days of christmas he grows old and tired as his time on earth comes to an end and a new Christmas takes over
tired turning the piston
because he likes a change!