A sleeping 55-year-old was attacked by an unknown burglar on Friday morning in his studio in Hamburg-Altona-Nord.
According to the police, the perpetrator forcibly opened a terrace door of the artist's house and surprised the man sleeping on the upper floor.
With a hammer and a screwdriver in hand, the burglar then demanded that valuables be returned.
Hamburg - After stealing several hundred euros in cash, he fled via the inner courtyard in an unknown direction.
The police have started the investigation and are looking for witnesses.
dpa