Speech-language pathologists can earn the Certificate of Clinical Competence in Speech-Language Pathology (CCC-SLP), offered by the American Speech-Language-Hearing Association. Certification satisfies some or all of the requirements for state licensure and may be required by some employers.
The effect of lavender on sleep has also been studied. The inhaling of lavender odour during sleep has been observed to reduce the respiration frequency (you breathe in and out less), which is commonly used as an indicator of relaxation and sleep depth.
Use lavender in aromatherapy. Lavender is ideal in aromatherapy; it is not harmful when applied direct to skin and it is suitable for most people (always check first, of course!). Check out using lavender in aromatherapy for more ideas and instructions. If not anything else, maintain a lavender garden for the beauty.