Keanu Reeves has obtained a restraining order against a female fan.

The unnamed woman, who was arrested after she broke into his home in Los Angeles and went skinny dipping in his swimming pool last month, has been ordered to stay at least 100 yards away from the 'Matrix' actor and his property at all times after he told a judge he feels threatened by her and believes she will continue stalking him.

But a law enforcement source told gossip website that she may not understand or follow the protection order, as she is currently seeking psychiatric treatment in hospital.

The woman - who entered the star's home through an unlocked door and took a shower in his bathroom - believes the 50-year-old actor is a ''conduit'' to her father, whom she claims was abducted by the US government and placed in witness protection.

She also believes her father is 'Departed' actor Ray Winstone.

Keanu wasn't at home at the time of the incident, but a cleaning crew working at the property got suspicious of the woman's behaviour and contacted the actor, who called police.

Another female intruder broke into his home just one day before the incident and he called the police after finding her sitting in a chair at around 4am.