Final answer:
Placing the bed in a semi-Fowler's position is the most suitable intervention for a patient experiencing an asthma exacerbation, as it helps improve breathing and encourages better sleep.
Step-by-step explanation:
The most appropriate intervention to help a patient with an asthma exacerbation sleep would be a. Place bed in semi-Fowler's position. Elevating the head of the bed helps to improve breathing by utilizing gravity to control the backflow of acids into the esophagus, which can be particularly beneficial for patients with respiratory issues like asthma. This position may help reduce coughing and shortness of breath, making it easier for the patient to sleep. It's also essential to ensure the patient has access to their inhaled bronchodilators and any other long-term control medications such as corticosteroids to manage their asthma symptoms effectively.