Why not check out these twin beds made of dark wood? This could be a good idea, especially that there are so many interesting offers on this site. The main question that arises is whether you feel ready to buy one of them or do you still need to think it over?
Zayley Twin/Full Storage Bed
This Twin/Full Storage Bed in White Finish offers sturdy wood construction and fully functional design. Features 5 drawers (4 under the bed and 1 in the bookcase) with metal drawer glides, spacious storage sections covered by outside panels, and up to 150 pounds of weight capacity.
Twin Over Twin Bunk Bed
Functional twin bed with built-in ladder. The construction is made of wood. The upper rails ensure safety. Received a lot of positive recommendations from satisfied customers.