"I feel tired" would be "Siento cansado"
I believe it is Sientolo
sentir or siento
i feel young = me siento joven
Me siento como
Me siento terrible
me siento burlado
"Me siento mal."
Me siento ignorado
"To feel" is the verb "sentir". Do not confuse this with "sentar", which means "to sit".
Te sientes como un niño perdido would be the best way to say "You feel like a lost child" in Spanish.
"No me siento bien."
Yo siento enfermo