la oracion que esta en condicional cero es
when she sleep badly she feels tired
if you sleep badly you feel tired
if you slept badly you feels tired
when she sleep badly she feels tired
if you sleep badly you feel tired
if you slept badly you feels tired
Respuesta:
If you sleep badly you feel tired
Explicación:
En el cero condicional los dos verbos están en presentes y lleva "if"