Seasonal affective disorder, also known as seasonal depression, causes depressive symptoms during only certain times of the year... and there's a pattern to it?!
Go outside and get some sun! Right?
Raus jetzt und etwas
Sonne tanken! Nicht wahr?
Salgan a la calle a que les 
dé el sol, ¿de acuerdo?
Salid a la calle a que os dé el sol, ¿vale?
Uscite a prendere il sole! Chiaro?
Dê uma saída e tome sol! Certo?