Bearded Dragon Keeps Climbing Plants

[LokitheBeardedDragon]

Every night, my beardie, Thor climbs onto this vine in his tank and hangs from it upright. Is this really safe for him?

 

[xp29]

They are semiaboreal, as long as there isn't anything under him to fall on (just in case) he should be fine.
Post a pic he sounds cute