<li class= "zone odd open night">...</li>
<li class= "zone even open night">...</li>
<li class= "zone odd open night">...</li>
  <label for="srr-2-1397538000">Room 226 1:00 AM</label>
  <input type="checkbox" name="srr-2-1397538000" id="srr-2-1397538000" value="Y" class="interactive">
  <span class-"drag-handle">...</span>
</li>
<li class="zone even open night">...</li>

element = driver.find_element_by_id("srr-2-1397538000")
element.click()

element = driver.find_element_by_tag_name('input')
element.click()

element = driver.find_element_by_xpath("//label[contains(text(),'Room')]/following-sibling::input")
element.click()