Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: IB+ Gold, TK E+, Hyatt Globalist, Marriott LTP, IHG Diamond
Posts: 14,184
AFAIK you can't use points on a day use room.
If you arrive during breakfast as a Gold / Diamond on a day use rate, you normally are allowed to choose breakfast as your amenity.