Plains Motel offers a variety of room options including Queen Rooms with a kitchen and sofa bed, Queen Rooms with a sofa bed, and Double Rooms with two double beds. Smoking is allowed in the Queen Room with a sofa bed, but not in other rooms. The rooms can accommodate 2 adults and 2 children and have bed sizes that include a sofa bed, queen size bed, and double beds. The room sizes are all 431 sqft.

Unfortunately, based on the provided data, there is no information available regarding any leisure amenities or activities offered at the Plains Motel. The only amenities mentioned are the sauna and business center. Guests could potentially spend their time at the hotel by utilizing these amenities.

The sauna would provide a relaxing and rejuvenating experience. It can help guests unwind and de-stress after a long day of travel or work. The business center would be convenient for guests who need to conduct any professional or personal tasks during their stay. It could provide a quiet and functional space for guests to work or browse the internet.

However, without additional information, it is difficult to provide a comprehensive answer on how guests can spend their time at the hotel. It is recommended to reach out to the hotel directly or refer to their website for a complete list of amenities and activities.