The word "slumbertimes" is spelled with the /ər/ sound in the middle, which is represented by the letter "r" in the traditional spelling. This sound is called a "schwa" and is commonly used in unstressed syllables. The phonetic transcription of "slumbertimes" is /ˈslʌmbətaɪmz/. The word refers to a period of time spent sleeping or dozing. As with many words in English, the spelling may not reflect the actual pronunciation, making it important to understand the phonetic transcription.