Passenger seat unit for an aircraft cabin

A passenger seat unit for an aircraft cabin, comprising a seat surface, a backrest mounted mobile between a first position and a second position, and a leg rest mounted mobile between a first position and a second position, the seat unit having:

• an upright configuration in which the backrest and the leg rest are in the first position, and
• a bed configuration in which the backrest and the leg rest are in the second position, the backrest, the seat surface and the leg rest forming a substantially plane and continuous surface, wherein:
• the seat surface is fixed,
• the backrest is mounted mobile in rotation between the first position and the second position around a joint axis between the backrest and the seat surface, the backrest being adapted to receive a back of a passenger when the backrest is in the first position and a head of a passenger when the backrest is in the second position,
• the leg rest is mounted mobile in rotation between the first position and the second position around a joint axis between the leg rest and the seat surface.