An apparatus for waking up a user, the apparatus (1) comprising a light source (3) that is adapted to produce a light effect (L), such as a light beam, that is directed to a user, or at least to a user's head, wherein the apparatus (1) comprises means for displacing the light effect (L) in an upward (R u ) or downward (R d ) direction during a period of time, in order to change a position of the light effect with respect to the user, or at least to the user's head.
